/**
 * Created by Administrator on 2017-10-11.
 */
public class Student {

    Student(){
        System.out.println("这是构造函数！");
    }

    Student(int age){


    }

    // 修饰符
     String name;
     int age;

    void study(){}

    void run(){

        System.out.println("student run!");
    }
}
